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D3.3 UV-degradation and analysis of tyre and road wear particles(TRWP) - PU : LEON-T : Low particle Emissions an lOw Noise Tyres
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Researchers investigated UV-induced degradation of tyre and road wear particles (TRWP) as part of the LEON-T project aimed at developing low-emission, low-noise tyres. The study characterized how UV exposure affects TRWP properties and particle release, contributing to understanding of non-exhaust particulate emissions from road transport.
D3.3 UV-degradation and analysis of tyre and road wear particles D3.3 UV-degradation and analysis of tyre and road wear particles (TRWP) -PU D3.3 UV-degradation and analysis of tyre and road wear particles (TRWP) -PU
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Degradation rates and ageing effects of UV on tyre and road wear particles
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Researchers examined how UV exposure degrades tyre and road wear particles (TRWPs) using accelerated ageing experiments, finding that UV irradiation alters particle physicochemical properties in ways relevant to understanding their long-term environmental fate.
Shades of grey—tire characteristics and road surface influence tire and road wear particle (TRWP) abundance and physicochemical properties
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A suite of experiments characterized how tire type, compound, and road surface properties influence tire and road wear particle (TRWP) size, morphology, and emission rates, finding significant variation across tire and road combinations relevant to predicting environmental exposure.
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This review examines how tire and road wear particles (TRWPs) change after being released into the environment, covering processes like oxidation, UV degradation, and biodegradation. Researchers found that while some tire-aging knowledge applies to TRWPs, quantitative understanding of environmental aging remains largely lacking. The review outlines key knowledge gaps and next steps for future TRWP aging studies.
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Researchers studied how UV light degrades tire and road wear particles, which are considered the largest source of microplastics in the environment. They found that UV exposure caused significant surface cracking and chemical changes in the rubber particles, accelerating their breakdown into smaller fragments. The study provides important data on how quickly these particles degrade outdoors, which helps predict their long-term environmental fate and accumulation.
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